EP 0654132 A4 19960313 - ACTIVE FORCE CANCELLATION SYSTEM.
Title (en)
ACTIVE FORCE CANCELLATION SYSTEM.
Title (de)
AKTIVES SYSTEM ZUR BESEITIGUNG VON KRÄFTEN.
Title (fr)
SYSTEME ACTIF D'ANNULATION DE FORCE.
Publication
Application
Priority
- US 9207651 W 19920915
- US 92847092 A 19920812
Abstract (en)
[origin: US5251863A] An active force cancellation system adapted to contain vibrations in flexible structures which utilizes co-located vibration sensors and counter-vibration devices to offset linear disturbances without setting off sub-structure vibrations.
IPC 1-7
IPC 8 full level
F16F 7/10 (2006.01); G10K 11/178 (2006.01)
CPC (source: EP US)
F16F 7/1005 (2013.01 - EP US); G10K 2210/129 (2013.01 - EP US); G10K 2210/3045 (2013.01 - EP US); G10K 2210/3217 (2013.01 - EP US)
Citation (search report)
- [X] WO 8805506 A1 19880728 - TOPEXPRESS LTD [GB]
- [A] US 4610420 A 19860909 - FUKUSHIMA MASAO [JP], et al
- [A] EP 0309211 A2 19890329 - BRIDGESTONE CORP [JP]
- [A] US 4821205 A 19890411 - SCHUTTEN HERMAN P [US], et al
- [A] EP 0348087 A2 19891227 - SPERRY MARINE INC [US]
- [A] US 4643385 A 19870217 - SANDERCOCK JOHN R [CH]
- [A] PATENT ABSTRACTS OF JAPAN vol. 012, no. 325 (M - 737) 5 September 1988 (1988-09-05)
- [A] LEE C K ET AL: "PIEZOELECTRIC MODAL SENSOR/ACTUATOR PAIRS FOR CRITICAL ACTIVE DAMPING VIBRATION CONTROL", JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, vol. 90, no. 1, 1 July 1991 (1991-07-01), pages 374 - 384, XP000216664
- See references of WO 9404866A1
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL SE
DOCDB simple family (publication)
US 5251863 A 19931012; AT E176720 T1 19990215; CA 2142012 A1 19940303; CA 2142012 C 19990615; DE 69228430 D1 19990325; DE 69228430 T2 19990916; EP 0654132 A1 19950524; EP 0654132 A4 19960313; EP 0654132 B1 19990210; WO 9404866 A1 19940303
DOCDB simple family (application)
US 92847092 A 19920812; AT 93904472 T 19920915; CA 2142012 A 19920915; DE 69228430 T 19920915; EP 93904472 A 19920915; US 9207651 W 19920915